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Ba2Cu7F18

Alexandria ALEX

Alex-ID: agm008102799 · Space group: P-1 (#2)

Basic Information

Formula
Ba2Cu7F18
Alex-ID
agm008102799
Elements
3
Sites
27
Space group
P-1 (#2)
Crystal system
triclinic
Volume
357.66
ų
Cell a
7.4038
Å
Cell b
7.3676
Å
Cell c
7.4702
Å
α angle
118.10
°
β angle
91.62
°
γ angle
94.09
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba2Cu7F18
Ba
2.00 · 7.4%
Cu
7.00 · 25.9%
F
18.00 · 66.7%

Energy & Stability

Energy above hull
0.0089
eV/atom
Formation energy
-2.3304
eV/atom
Corrected total energy
-121.4558
eV
Raw total energy
-121.4558
eV

Electronic Structure

Indirect band gap
0.0929
eV
Direct band gap
0.1028
eV
DOS at Fermi level
8.4599
Total magnetisation
7.0057
μB

Additional Information

Prototype ID

A2B7C18_5_spg164

Decomposition

BaCuF4 CuF2

Computed at

2025-01-17 23:14:40

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm008102799).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm008102799
data_agm008102799
_cell_length_a     7.40381
_cell_length_b     7.36763
_cell_length_c     7.47016
_cell_angle_alpha  118.09871
_cell_angle_beta   91.61573
_cell_angle_gamma  94.08646
_cell_volume       357.66043
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Ba1 Ba 0.36191 0.68846 0.30397 1.00000
  Ba2 Ba 0.63809 0.31154 0.69603 1.00000
  Cu1 Cu 0.87107 0.38534 0.26675 1.00000
  Cu2 Cu 0.12893 0.61466 0.73325 1.00000
  Cu3 Cu 0.18489 0.17592 0.37909 1.00000
  Cu4 Cu 0.81511 0.82408 0.62091 1.00000
  Cu5 Cu 0.81282 0.80164 0.12547 1.00000
  Cu6 Cu 0.18718 0.19836 0.87453 1.00000
  Cu7 Cu 0.50000 0.00000 0.00000 1.00000
  F1 F 0.95490 0.30286 0.47453 1.00000
  F2 F 0.04510 0.69714 0.52547 1.00000
  F3 F 0.81319 0.49440 0.08987 1.00000
  F4 F 0.18681 0.50560 0.91013 1.00000
  F5 F 0.70919 0.90161 0.38737 1.00000
  F6 F 0.29081 0.09839 0.61263 1.00000
  F7 F 0.11124 0.30722 0.15384 1.00000
  F8 F 0.88876 0.69278 0.84616 1.00000
  F9 F 0.74418 0.08591 0.11410 1.00000
  F10 F 0.31317 0.45777 0.54035 1.00000
  F11 F 0.68683 0.54223 0.45965 1.00000
  F12 F 0.93554 0.10300 0.75869 1.00000
  F13 F 0.06446 0.89700 0.24131 1.00000
  F14 F 0.56355 0.69828 0.99448 1.00000
  F15 F 0.43645 0.30172 0.00552 1.00000
  F16 F 0.58283 0.92700 0.72373 1.00000
  F17 F 0.41717 0.07300 0.27627 1.00000
  F18 F 0.25582 0.91409 0.88590 1.00000
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